Captopril and Nightmares - a phase IV clinical study of FDA data

Summary:

Nightmares is reported as a side effect among people who take Captopril (captopril), especially for people who are female, 60+ old, also take Omeprazole, and have High blood cholesterol.

The phase IV clinical study analyzes which people have Nightmares when taking Captopril. It is created by eHealthMe based on reports of 17,289 people who have side effects when taking Captopril from the FDA, and is updated regularly.

What is Captopril?

Captopril has active ingredients of captopril. It is often used in high blood pressure. eHealthMe is studying from 17,438 Captopril users. Check the latest studies of Captopril.

What is Nightmares?

Nightmares (unpleasant dreams) is found to be associated with 1,354 drugs and 1,908 conditions by eHealthMe. Check the latest studies of Nightmares.

On Apr, 22, 2026

17,289 people reported to have side effects when taking Captopril.
Among them, 22 people (0.13%) have Nightmares.

Among these 22 people:

What is the gender of people who have Nightmares when taking Captopril? *

female: 66.67 %
male: 33.33 %

What is the age of people who have Nightmares when taking Captopril? *

What are other drugs people take besides Captopril? *

Omeprazole: 4 people, 18.18%
Clarithromycin: 3 people, 13.64%
Pramipexole Dihydrochloride: 3 people, 13.64%
Flecainide Acetate: 3 people, 13.64%
Fludrocortisone Acetate: 3 people, 13.64%
Fluticasone Propionate: 3 people, 13.64%
Gabapentin: 3 people, 13.64%
Inbrija: 3 people, 13.64%
Klonopin: 3 people, 13.64%
Melatonin: 3 people, 13.64%

What are other side effects people have besides Nightmares? *

Hallucinations (sensations that appear real but are created by your mind): 8 people, 36.36%
Insomnia (sleeplessness): 7 people, 31.82%
Dizziness: 6 people, 27.27%
Memory Loss: 6 people, 27.27%
Weakness: 5 people, 22.73%
Malaise (a feeling of general discomfort or uneasiness): 5 people, 22.73%
Drug Ineffective: 5 people, 22.73%
Drowsiness: 5 people, 22.73%
Tremor (trembling or shaking movements in one or more parts of your body): 4 people, 18.18%
Nervousness: 4 people, 18.18%

What are the existing conditions these people have? *

High Blood Cholesterol: 5 people, 22.73%
Hypotension (abnormally low blood pressure): 3 people, 13.64%
Delusion (a false belief or opinion): 3 people, 13.64%
Glaucoma (increased fluid pressure in the eye with vision loss): 3 people, 13.64%
Hallucinations (sensations that appear real but are created by your mind): 3 people, 13.64%
Stress And Anxiety: 3 people, 13.64%
Varices Oesophageal (enlarged and swollen veins at the bottom of the oesophagus, near the stomach): 3 people, 13.64%
Parkinson's Disease: 3 people, 13.64%
Quit Smoking: 3 people, 13.64%
Hypersensitivity: 2 people, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Captopril and have Nightmares?

- Check whether Nightmares is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Captopril:

Captopril (17,438 reports)

Nightmares treatments and more:

Nightmares (42,077 reports)

Browse all side effects of Captopril:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Nightmares:

Nightmares (1,354 drugs)

Browse all the conditions that are associated with Nightmares:

Nightmares (1,908 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on captopril (the active ingredients of Captopril) and Captopril (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.